What does CTB stand for?
CTB stands for "Cretaceous Tertiary Boundary"
How to abbreviate "Cretaceous Tertiary Boundary"?
"Cretaceous Tertiary Boundary" can be abbreviated as CTB
What is the meaning of CTB abbreviation?
The meaning of CTB abbreviation is "Cretaceous Tertiary Boundary"
What does CTB mean?
CTB as abbreviation means "Cretaceous Tertiary Boundary"
